TS EAMCET · Maths · Binomial Theorem
If \(n\) is a positive integer and \(f(n)\) is the coefficient of \(x^n\) in the expansion of \((1+x)(1-x)^n\), then \(f(2023)=\)
- A \(-2021\)
- B \(2022\)
- C \(2023\)
- D \(-2023\)
Answer & Solution
Correct Answer
(B) \(2022\)
Step-by-step Solution
Detailed explanation
\((1+x)(1-x)^{\mathrm{n}}\)…
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